97127661 has 8 divisors (see below), whose sum is σ = 130761280. Its totient is φ = 64122912.

The previous prime is 97127659. The next prime is 97127683. The reversal of 97127661 is 16672179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97127661 - 2¹ = 97127659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97127621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156856 + ... + 157473.

It is an arithmetic number, because the mean of its divisors is an integer number (16345160).

Almost surely, 2^97127661 is an apocalyptic number.

It is an amenable number.

97127661 is a deficient number, since it is larger than the sum of its proper divisors (33633619).

97127661 is a wasteful number, since it uses less digits than its factorization.

97127661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314435.

The product of its digits is 31752, while the sum is 39.

The square root of 97127661 is about 9855.3366761364. The cubic root of 97127661 is about 459.6715692806.

The spelling of 97127661 in words is "ninety-seven million, one hundred twenty-seven thousand, six hundred sixty-one".